interface User{
    index: number;
    userid: number;//用户id
    username: string;//用户名
    password: string;//密码
    name: string;//姓名
    sex: string;//性别
    age:number//年龄
    email:string;//邮箱
    phone: string;//电话
    role_id: number;//角色id
}

interface UserLogin{
    username: string;
    password: string;
}

interface UserchangePassword{
    oldpassword: string;
    newpassword: string;
}

interface UserDelete{
    userid:number
}